From patchwork Fri Apr 23 11:39:21 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Hannes Reinecke X-Patchwork-Id: 426573 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-16.7 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI, SPF_HELO_NONE, SPF_PASS, URIBL_BLOCKED, USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 492CCC43460 for ; Fri, 23 Apr 2021 11:40:22 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 030E061139 for ; Fri, 23 Apr 2021 11:40:21 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S242366AbhDWLk5 (ORCPT ); Fri, 23 Apr 2021 07:40:57 -0400 Received: from mx2.suse.de ([195.135.220.15]:46918 "EHLO mx2.suse.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S242253AbhDWLkj (ORCPT ); Fri, 23 Apr 2021 07:40:39 -0400 X-Virus-Scanned: by amavisd-new at test-mx.suse.de Received: from relay2.suse.de (unknown [195.135.221.27]) by mx2.suse.de (Postfix) with ESMTP id 5D471B1BA; Fri, 23 Apr 2021 11:39:55 +0000 (UTC) From: Hannes Reinecke To: "Martin K. Petersen" Cc: Christoph Hellwig , James Bottomley , linux-scsi@vger.kernel.org, Bart van Assche , Hannes Reinecke Subject: [PATCH 16/39] scsi: add translate_msg_byte() Date: Fri, 23 Apr 2021 13:39:21 +0200 Message-Id: <20210423113944.42672-17-hare@suse.de> X-Mailer: git-send-email 2.29.2 In-Reply-To: <20210423113944.42672-1-hare@suse.de> References: <20210423113944.42672-1-hare@suse.de> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-scsi@vger.kernel.org Add helper to convert message byte into a host byte code. Signed-off-by: Hannes Reinecke Reviewed-by: Bart Van Assche --- include/scsi/scsi_cmnd.h | 17 +++++++++++++++++ 1 file changed, 17 insertions(+) diff --git a/include/scsi/scsi_cmnd.h b/include/scsi/scsi_cmnd.h index 0ac18a7d8ac6..348bfa568f72 100644 --- a/include/scsi/scsi_cmnd.h +++ b/include/scsi/scsi_cmnd.h @@ -337,6 +337,23 @@ static inline unsigned char get_host_byte(struct scsi_cmnd *cmd) } +static inline void translate_msg_byte(struct scsi_cmnd *cmd, u8 msg) +{ + switch (msg) { + case COMMAND_COMPLETE: + break; + case ABORT_TASK_SET: + set_host_byte(cmd, DID_ABORT); + break; + case TARGET_RESET: + set_host_byte(cmd, DID_RESET); + break; + default: + set_host_byte(cmd, DID_ERROR); + break; + } +} + static inline unsigned scsi_transfer_length(struct scsi_cmnd *scmd) { unsigned int xfer_len = scmd->sdb.length;